Considering that household vinegar (CH3COOH) bought at the store is only 5% acetic acid what mass of baking soda (NaHCO3) would you need to react with household vinegar if you were limited to 50 grams total combined weight of the two reactants?

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.